1.Imikorere idafite amazi: PU itagira amazi ya zipper ifite ibikorwa byiza bitarinda amazi, bikwiranye na siporo zitandukanye zo hanze nibikorwa byingendo.
2. Umuyaga mwiza: Bitewe n'ibiranga ibikoresho bya PU ubwabyo, zipper ya PU itagira amazi meza cyane, ishobora kubuza amazi y'imvura kwinjira mumifuka cyangwa imyenda.
3. Ubuso bworoshye: PU itagira amazi adafite amazi afite ubuso bworoshye, bworoshye gukoraho no kurimbisha cyane, bishobora kuzamura ubwiza bwibicuruzwa nuburanga.
4. Gukoraho byoroheje: PU zidafite amazi zipper ikozwe mubintu byoroshye, byoroshye gufungura no gufunga, byoroshye gukoresha.5. Umutekano muke: Zipper ya PU itagira amazi ifite umurongo ugaragaza hagati, ufite imikorere myiza yerekana, ishobora guteza imbere umutekano n'umutekano mugihe ugenda cyangwa ugenda nijoro.Mu ncamake, PU itagira amazi ya zipper hamwe numurongo ugaragaza hagati nigicuruzwa cyiza cya zipper gifite amazi meza cyane, cyumuyaga mwinshi, cyiza, cyoroshye kandi gifite umutekano, kandi gikoreshwa cyane mugukora ibicuruzwa byo hanze.
PU itagira amazi meza ni ubwoko bwa zipper bukoreshwa cyane mubicuruzwa byo hanze, bifite imikorere myiza itagira amazi kandi ikora neza, kandi birashobora kubuza neza ko amazi yinjira mugihe imvura, kumena amazi cyangwa kwibira.Muri icyo gihe, kongeramo imirongo yerekana hagati ya zipper birashobora kunoza imikorere yabakozi bo hanze no guteza imbere umutekano.Ibikurikira nuburyo bukoreshwa mumazi adafite amazi mubicuruzwa bitandukanye byo hanze:
1.Kwambara koga yo hanze: Zippers zidafite amazi zirashobora gutuma imyenda yo koga itagira amazi kandi igakomeza umubiri wawe kandi neza.
2. Ikoti ryimvura: Zipper itagira amazi irashobora kubuza amazi yimvura kwinjira mumbere yimyenda yimvura no kunoza imikorere yamazi yimyenda yimvura.
3.Ikoti yo kwibira: Zipper idafite amazi ni kimwe mu bice byingenzi byikoti yo kwibira, ishobora gutuma uyitwara yumishwa mugihe cyo kwibira no kugabanya ubwumvikane buke bwamazi kumubiri wumuntu.
4. Isakoshi: Zipper idafite amazi mu gikapu irashobora kubuza amazi yimvura kwinjira imbere mu gikapu kandi akemeza ko ibintu biri mu gikapu bitangirika n’amazi.Muri make, zipers zidafite amazi zikoreshwa cyane mubicuruzwa byo hanze, bishobora kuzamura ubwiza numutekano wibicuruzwa, kandi bikongera imikorere no gukoresha agaciro kubicuruzwa.